Home / 664,009,979.20-996,014,968.80-203,947,410.40

Finding the Fourth Proportional to 664,009,979.20, 996,014,968.80 and 203,947,410.40

Calculator

Solution

The fourth proportional to 664,009,979.20, 996,014,968.80 and 203,947,410.40 is: 305,921,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,009,979.20 : 996,014,968.80 = 203,947,410.40 : x
  2. Step 2: Convert to fraction form
    664,009,979.20/996,014,968.80 = 203,947,410.40/x
  3. Step 3: Cross multiply
    664,009,979.20x = 996,014,968.80 × 203,947,410.40
  4. Step 4: Simplify right side
    664,009,979.20x = 203,134,673,606,396,800
  5. Step 5: Solve for x
    x = 203,134,673,606,396,800/664,009,979.20
  6. Step 6: Final answer
    x = 305,921,115.60

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.